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Finding the Fourth Proportional to 604,009.50, 832,848.29 and 385,930.06

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Solution

The fourth proportional to 604,009.50, 832,848.29 and 385,930.06 is: 532,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,009.50 : 832,848.29 = 385,930.06 : x
  2. Step 2: Convert to fraction form
    604,009.50/832,848.29 = 385,930.06/x
  3. Step 3: Cross multiply
    604,009.50x = 832,848.29 × 385,930.06
  4. Step 4: Simplify right side
    604,009.50x = 321,421,190,530.60
  5. Step 5: Solve for x
    x = 321,421,190,530.60/604,009.50
  6. Step 6: Final answer
    x = 532,145.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.